Catalog backup is failed with error 13

01/29/2016 02:06:28 - Info nbjm (pid=9441) starting backup job (jobid=24571024) for client Master_serverabc, policy abc.catalog.backup, schedule Daily-Full
01/29/2016 02:06:28 - Info nbjm (pid=9441) requesting STANDARD_RESOURCE resources from RB for backup job (jobid=24571024, request id:{CEAC8242-C5FE-11E5-8CB2-3A27DD260240})
01/29/2016 02:06:28 - requesting resource abc-DD-SUG
01/29/2016 02:06:28 - requesting resource Master_serverabc.NBU_CLIENT.MAXJOBS.client Master_serverabc
01/29/2016 02:06:28 - requesting resource Master_serverabc.NBU_POLICY.MAXJOBS.abc.catalog.backup
01/29/2016 02:06:28 - granted resource Master_serverabc.NBU_CLIENT.MAXJOBS.Master_serverabc
01/29/2016 02:06:28 - granted resource Master_serverabc.NBU_POLICY.MAXJOBS.abc.catalog.backup
01/29/2016 02:06:28 - granted resource MediaID=@aaaaq;DiskVolume=alln01nbu1;DiskPool=alln01-dd-5;Path=Master_serverabc;StorageServer=abc01-dd-5;MediaServer=abcnbu1ms6
01/29/2016 02:06:28 - granted resource abc01-dd-5
01/29/2016 02:06:28 - estimated 0 kbytes needed
01/29/2016 02:06:28 - Info nbjm (pid=9441) started backup (backupid=Master_serverabc_1454013388) job for client Master_serverabc, policy alln.catalog.backup, schedule Daily-Full on storage unit alln01-dd-5
01/29/2016 02:06:28 - started process bpbrm (pid=823)
01/29/2016 02:06:29 - Info bpbrm (pid=823) alln01nbu1 is the host to backup data from
01/29/2016 02:06:29 - Info bpbrm (pid=823) reading file list for client
01/29/2016 02:06:29 - Info bpbrm (pid=823) starting bpbkar on client
01/29/2016 02:06:29 - Info bpbkar (pid=20449) Backup started
01/29/2016 02:06:29 - Info bpbrm (pid=823) bptm pid: 824
01/29/2016 02:06:29 - Info bptm (pid=824) start
01/29/2016 02:06:29 - Info bptm (pid=824) using 262144 data buffer size
01/29/2016 02:06:29 - Info bptm (pid=824) setting receive network buffer to 262144 bytes
01/29/2016 02:06:29 - Info bptm (pid=824) using 64 data buffers
01/29/2016 02:06:29 - connecting
01/29/2016 02:06:29 - connected; connect time: 0:00:00
01/29/2016 02:06:30 - Info bptm (pid=824) start backup
01/29/2016 02:06:31 - Info bptm (pid=824) backup child process is pid 847
01/29/2016 02:06:31 - begin writing
01/29/2016 03:10:47 - Error bpbrm (pid=823) socket read failed: errno = 62 - Timer expired
01/29/2016 03:10:49 - Error bptm (pid=824) media manager terminated by parent process
01/29/2016 03:10:50 - Info bpbkar (pid=20449) done. status: 13: file read failed
01/29/2016 03:10:50 - end writing; write time: 1:04:19
file read failed (13)